Home / 189,559,520.20-284,339,280.30-157,247,907.40

Finding the Fourth Proportional to 189,559,520.20, 284,339,280.30 and 157,247,907.40

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Solution

The fourth proportional to 189,559,520.20, 284,339,280.30 and 157,247,907.40 is: 235,871,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,559,520.20 : 284,339,280.30 = 157,247,907.40 : x
  2. Step 2: Convert to fraction form
    189,559,520.20/284,339,280.30 = 157,247,907.40/x
  3. Step 3: Cross multiply
    189,559,520.20x = 284,339,280.30 × 157,247,907.40
  4. Step 4: Simplify right side
    189,559,520.20x = 44,711,756,818,797,048
  5. Step 5: Solve for x
    x = 44,711,756,818,797,048/189,559,520.20
  6. Step 6: Final answer
    x = 235,871,861.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.